Vapors is a 3rd person present and plural noun for the word "VAPOR."
1. A substance diffused or suspended in the air, especially one normally liquid or solid.
2. A sudden feeling of faintness or nervousness or a state of depression.
3. Talk in a vacuous, boasting, or pompous way.
Investigators at first suggested that the blight was caused by static energy, smoke from railroad trains or vapors from underground volcanoes.